Inventions What plaything was invented by Joe McVicker in 1956? Play-Doh Silly Putty Lite-Brite Etch-A-Sketch Play-Doh Silly Putty Lite-Brite Etch-A-Sketch ANSWER DOWNLOAD EXAMIANS APP
Inventions Who was the first American female to patent her invention, a method of weaving straw with silk? Mary Kies Margaret Knight Marjorie Joyner Amanda Jones Mary Kies Margaret Knight Marjorie Joyner Amanda Jones ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gramophone? Michael Faraday Fahrenheit Sir Alexander Graham Bell Thomas Alva Edison Michael Faraday Fahrenheit Sir Alexander Graham Bell Thomas Alva Edison ANSWER DOWNLOAD EXAMIANS APP
Inventions What furniture item was invented by California furniture designer Charles Prior Hall in 1968? Captain's chair Waterbed Hammock Sofa bed Captain's chair Waterbed Hammock Sofa bed ANSWER DOWNLOAD EXAMIANS APP
Inventions The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project? Leslie R. Groves Vannevar Bush Robert Oppenheimer James B. Conant Leslie R. Groves Vannevar Bush Robert Oppenheimer James B. Conant ANSWER DOWNLOAD EXAMIANS APP
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